Rail



FIG. 1 is a perspective view of a front, top, and right side of an ornamental design for a rail;

FIG. 2 is a front side elevational view thereof;

FIG. 3 is a rear side elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective view of a front, top, and right side thereof, including environmental structure.

The dashed broken lines show portions of the rail and environmental structure that form no part of the claimed design. 

CLAIM The ornamental design for a rail, as shown and described. 